Flights from Seattle to Kansas City from $ 397*

Promotion Code

Featured daily fares for flights from Seattle (SEA) to Kansas City (MCI)

$ 397
Displaying fares for March-2026
  • 28

    Sa

    MAR

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • Range$ 397-$ 777

    More United deals on Seattle (SEA) to Kansas City (MCI) flights

    $
    keyboard_arrow_down
    More United deals on Seattle (SEA) to Kansas City (MCI) flights
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    03/31/26 - 04/03/26

    from

    $ 777

    Viewed: 22 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    04/23/26 - 04/27/26

    from

    $ 397

    Viewed: 2 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    05/22/26 - 05/24/26

    from

    $ 463

    Viewed: 2 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    04/23/26 - 04/27/26

    from

    $ 632

    Viewed: 2 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    04/06/26 - 04/08/26

    from

    $ 682

    Viewed: 7 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    04/06/26 - 04/09/26

    from

    $ 682

    Viewed: 7 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    05/22/26 - 05/24/26

    from

    $ 702

    Viewed: 2 hours ago

    Seattle (SEA)Kansas City (MCI)Roundtrip
    |
    Economy
    05/22/26 - 05/24/26

    from

    $ 748

    Viewed: 2 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.